Simulated motor



Dec. l, 1953 N, J, PoRTLANcE 2,660,973

SIMULATED MOTOR Filed April 24, 1952 2 Sheets-Sheet l @Troie/Yay Dec. 1, 1953 N. .1. PoRTLANcl-z 2,660,973

SIMULATED MOTOR Filed April 24, 1952 2 `SheeLS-She 2 IN VEN TOR. /Yfwusw/ d. poen Nee BW afa/HAM( Patented Dec. l, 1953 UNITED STATES PATENT OFFICE SIMULATED MOTOR Napoleon J. Portlance, Minneapolis, Minn. Application April 24, 1952, Serial No. 284,016

6 Claims.

This invention relates to a simulated internal combustion engine for use with manually operated vehicles such as bicycles, tricycles etc.

The simulated internal combustion engine of this invention consists of a hollow sound chamber provided with sound outlet means having a vibrator positioned in the sound chamber with vibrator fingers positioned on a rotary shaft for engaging the vibrator and a friction disk on the shaft on the outside of the sound chamber for actuating the shaft.

t is an object of this invention to provide in a simulated internal combustion engine which is operated by the wheel of a bicycle etc., a hollow sound chamber in which a vibrator is mounted and means on a shaft for vibrating the vibrator for producing sound.

It is a further object of this invention to pro vide a simulated two cylinder internal combustion engine comprising a sound chamber with means in said chamber for producing sound simulating two cylinders of an internal combustion engine and sound outlet means for the sound chamber.

It is a further object of this invention to provide in a simulated internal combustion engine, a sound chamber with means for producing sound therein and means associated with the sound chamber for causing different sound tones.

Other and further objects will become apparent from the following detailed description and the appended claims.

In the accompanying drawings:

Figure l is an elevational view of the rear wheel and rear frame of a bicycle disclosing a simulated motor mounted on the frame of the bicycle.

Figure 2 is an elevational View of the simulated engine with the bracket for the simulated engine shown secured to a frame portion oi a bicycle.

Figure 3 is an elevational view of a modified form of simulated internal combustion engine.

Figure 4. is another modified form of simulated two cylinder internal combustionengine.

Figure 5 is a horizontal sectional view taken on line 5 5 of Figure 2.

Figure 6 is a horizontal sectional view taken on line 8 5 of Figure 4.

Figure 7 is a front enlarged sectional view taken on line of Figure 5 showing the means for moving the engine to operative position with a bicycle tire and from operative position with respect to the bicycle tire.

Referring in detail to the drawings, 2n is the rear wheel of a bicycle with a pneumatic tire 22 mounted thereon. The simulated internal combustion engine 3i) is appropriately mounted to an arm 24 of the bicycle frame.

The simulated internal combustion engine consists of a hollow chamber or casing 32 of rectangular shape. The chamber 32 may be formed of any metal, plastic or any other suitable material. One side of the chamber 32 is preferably detachable so that the device may be readily repaired. A pair of circular openings 34 and 3B are formed in the bottom of the hollow casing 32, with opening 35 being larger in diameter than opening 34. Hollow cylindrically shaped casings 3B and 40 being open at both ends are secured in the openings 34 and 36 respectively. The hollow casings 38 and 40 are substantially the same diameter as the openings 3d and 35 respectively thereby providing sound outlet means with diierent size openings.

An angular metal leaf 42 is secured by screw and bolt means 44 to one of the inside walls of the hollow chamber 32. A rotary rod of shaft 46 is mounted to extend vertically through the hollow chamber 32. The lower end of rod 43 passes through an aperture in the bottom wall of the chamber 32 with a nut 48 screwed on a thread portion of rod 43 projecting below the bottom wall of the chamber 32. The upper end 5i! of the rod projects considerably beyond the upper wall of the chamber 32. A nut is threaded on the upper end of the rod portion 5o and is screwed downwardly to engage the upper wall of the chamber 32 to hold the rod 43 in operative position in chamber 32. A friction disk 52 is e xedly mounted on the outer end of the rod portion Bil. A body element 54 provided with a pair of diametrically opposed pointed ingers 53 is mounted on the rod 45 inside the hollow chamber 32 and the pointed fingers 56 engage the vibrator 42 when the rod 46 is rotated thus producing sounds in the hollow chamber 32.

y A metal band is secured around the outside of the two ends and two side walls intermediate their top and bottom edges with one end of the band 60 secured adjacent the other end or" the band 60 as at 62 by nut and screw means. The other end of the metal band Si! extends beyond one of the end walls of the hollow chamber 32 as at 64. A U-shaped leg 68 is mounted on a pivot pin 63. The upper portion of leg 68 is xedly secured to the extention 64 of band 6l) as by soldering etc. and a second U-shaped leg 'i0 is pivotally mounted on the pin 66 with the sides of leg 1B capable of being housed inside the sides of leg 68. A coil spring 'l2 is mounted on pin 66 between the sides of legs 63 and 10 with the opposite ends of the spring 'i2 in engagement with the inside rear portion of legs Gt and 'lll respectively. A removable bracket 1li is adapted to be mounted on the arm 2li of the bicycle frame with an extension 'i6 of the bracket ill appropriately fastened to the pivotal leg 1l).

An operable means for moving the chamber 32 and its friction disk t from engagement with the tire 2i. of the bicycle wheel 2i! consists of wire 8S with one end threaded through an aperture in leg l@ and being secured to the stationary leg SS. A handle 32 for the wire to is mounted adjacent the saddle of the bicycle.

The coil spring i3 normally urges the-hollow chamber' toward the tire 22 thus holding the friction disk in engagement witlrlthe'tire .22...

The rotation of the tire 2E imparts motionto the disk 52 which rotates the rod and the rotating rod it moves the pointed iingers 58 of the mounted element tiff. into contact with the Vibrator 42 in the hollow chamber thus producing sound in the chamber sound outlets 33 and il? permits the soun". to e L from the sound chamber 32. The two 'fingers being 180 degrees apart are designed to simulate a two cylinder internal coinbust i en e. The diierent sizes o the outlet means and '5 for chamber l2 produces different sound tones. The faster the wheel rotates the faster the rod. i8 moves the nngers 55 into engag ent with vibrator li thus producing more chamber 32. When it is de...

from. the tire 22, then and the dish f is moved froid i1 the re E when the wire is spring 'Y mores the chamber 22 until the di 5. again engages the tire Figure 3 discloses a smaller sized sound chamber il@ for use wii'l wheels of a tricycle. The sound chamber provided with an opening in its bottoni will a hollow cylindrically shaped caring positioned in the opening which projects bef/ond the sound chamber. 9S providing sound outlet. .A rotary .shaft .9F2- is mounted inside tl chan ber te with an element 9'3 having a pei" of pointed nngers space i8@ degrees apart l cach other similar to ngers 5S of element c r led on the shaft inside the chamber :for engagin a vibrator positioned in hollow chamber' A friction disk lilo is mounted ou a portion ot rod te projecting above' chamber tor actuat g rod dii.

Figures Il and 6 disclose another modication of the sir .plated internal combustion engine. A d chamber iii? is divided into two its iid and li by a partition. wall ertment il? is larger than compartment A pair of protuberances H8 are formed on the chamber -i lil simulating cylinders oi an internal combustion engine. lAn opening is formed in the bottom ci chamber il@ communicating with compartment l lil and a hollow tube its is positioned in the opening for compartment Si@ providing a sound outlet therefor. A larger opening communicates with compartment H2 and a hollow tube 22 is positioned in the larger opening for the compartment H2 providing a Sound outlet for such compartment. A vibrator l2@ is secured to wall lie inside compartment H2. A rotary rod itil carries an element I28 with ngers sii ilar to the fingers on elements 513 and for engaging the vibrator lill. A friction disk i3@ is on the top or" rod E25 which projects outside chamber llil. A band 132 secured to chamber i i@ is associated with a mounting means Vfrom the sound chamber provid' claimed as new is:

1. In av simulated motor for bicycles compris- 'ing hollow sound chamber means provided with a. pairof spaced. openings, one of the openings .being larger than the other opening, a first hollow tubular member substantially similar in diameter with-the small opening in the sound chamber positioned in the small opening projecting from the sound chamber providing a sound outlet, a second. hollow tubular member having substantially the same diameter as the larger opening positioned in the larger opening and projecting a second sound outlet, the second hollow tubular member being or greater length than the first tubular member, a vibrator mounted inside the chamber, a rotary shaft mounted in the chamber with a portion or" the shaft extending outside the chamber, a friction disk on the extending portion of the shaft for actuating said sha-it, and vibrator fingers mounted on the shaft inside the c...e,mber for engaging the vibrator, and when the vibrator lingers engage the vibrator different sound tones are produced bythe simulated motor.

2. 1n a simulated two cylinder motor for bicycles comprising a hollow casing, a partition wall positioned inside the casing intermediate its ends forming a pair of sound chambers, each ci the chambers provided with an opening, a hollow member positioned in each of the openings projecting outside the sound chambers providing a sound outlet means for each chamber, a vi.Y 'ator mounted in.. one of the sound chambers, a rotary shaft mounted inside the said one sound chamber with a portion projecting outside the said one sound chamber, a friction disk on the projecting portion of the shaft for actuating said shaft, Vibrator ringer means on the shaft inside the chamber for engaging the vibrator for producing different sound tones.

3. in a simulated motor for bicycles as described in claim 2 wherein one of the sound chambers is larger than the other of said sound chambers.

e. In a simulated two cylinder motor for bicycles `comprising a hollow casing, a partition wall positioned insidevthe. casing intermediate its ends forminga pairoi sound chambers, each of the chambers provided with an opening, a hollow member positioned in each of the openings projecting outside the sound chambers providing a sound outlet means for each chamber, a Tribrator mounted in one of the sound chambers, a rotary shaft mounted inside the said one sound chamber with a portion projecting outside the said one sound chamber, a friction disk on the projecting portion of the shaft for actuating said shaft, and vibrator finger means on the shaft inside the chamber for engaging the vibrator for producing diierent sound tones, wherein one of the hollow sound outlet members is longer than the other of the sound outlet members.

5. In a simulated motor for bicycles as described in claim 4 wherein one of the sound member is of larger diameter and longer than chambers is larger than other of the sound the other sound outlet member.

chambers, one of the sound outlet members being NAPOLEON J. PORTLANCE. longer than the other sound outlet members, the

longer sound outlet members communicating 5 Referelwes Cited in the file 0f this Patent with the larger sound chamber, the shorter sound UNITED STATES PATENTS outlet means communicating with the smaller Number Name Date Sound chamber' 1 009 885 Barg Nov 28 1911 6. In a simulated motor for blcycles as de- 2,609,640 Newell n Sept 9, 1952 scribed in claim 4 wherein the one sound outlet 10 

